Fixes #8152 by applying the same special cases for protocol "chrome-extension:" as...

[jquery.git] / src / ajax / xhr.js

diff --git a/src/ajax/xhr.js b/src/ajax/xhr.js
index 3acdc66..d4c291f 100644 (file)
--- a/src/ajax/xhr.js
+++ b/src/ajax/xhr.js
@@ -22,7 +22,7 @@ jQuery.ajaxSettings.xhr = window.ActiveXObject ?
         * we need a fallback.
         */
        function() {
-               if ( window.location.protocol !== "file:" ) {
+               if ( !jQuery.ajaxSettings.isLocal ) {
                        try {
                                return new window.XMLHttpRequest();
                        } catch( xhrError ) {}
@@ -175,30 +175,28 @@ if ( jQuery.support.ajax ) {
                                                                        }
 
                                                                        // Filter status for non standard behaviors
-                                                                       status =
-                                                                               // Most browsers return 0 when it should be 200 for local files
-                                                                               // Opera returns 0 when it should be 304
-                                                                               // Webkit returns 0 for failing cross-domain no matter the real status
-                                                                               !status ?
-                                                                                       // All: for local files, 0 is a success
-                                                                                       ( location.protocol === "file:" ? 200 : (
-                                                                                               // Webkit, Firefox: filter out faulty cross-domain requests
-                                                                                               !s.crossDomain || statusText ?
-                                                                                               (
-                                                                                                       // Opera: filter out real aborts #6060
-                                                                                                       responseHeaders ?
-                                                                                                       304 :
-                                                                                                       0
-                                                                                               ) :
-                                                                                               // We assume 302 but could be anything cross-domain related
-                                                                                               302
-                                                                                       ) ) :
-                                                                                       (
-                                                                                               // IE sometimes returns 1223 when it should be 204 (see #1450)
-                                                                                               status == 1223 ?
-                                                                                                       204 :
-                                                                                                       status
-                                                                                       );
+
+                                                                       // IE - #1450: sometimes returns 1223 when it should be 204
+                                                                       if ( status === 1223 ) {
+                                                                               status = 204;
+                                                                       // Status 0 encompasses several cases
+                                                                       } else if ( !status ) {
+                                                                               // Cross-domain
+                                                                               if ( s.crossDomain ) {
+                                                                                       if ( !s.statusText ) {
+                                                                                               // FF, Webkit (other?): There is no status text for errors
+                                                                                               // 302 is the most generic cross-domain status code
+                                                                                               // for errors, could be anything really (even a real 0)
+                                                                                               status = 302;
+                                                                                       }
+                                                                               // All same-domain - #8125, #8152: for local files, 0 is a success
+                                                                               } else if( s.isLocal ) {
+                                                                                       status = 200;
+                                                                               }
+                                                                               // Opera - #6060: sets status as 0 for 304
+                                                                               // and there doesn't seem to be any way to
+                                                                               // detect this case. Patch VERY welcome.
+                                                                       }
                                                                }
                                                        }
                                                } catch( firefoxAccessException ) {